Racing Wheel : Thrustmaster T500RS + Shift TH8R
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Zagato made two special versions of 155. In 1993, the 155 TI.Z was introduced, and in 1995, the 155 GTAZ. Both models had more muscular looking exterior and more power than regular models, the TI.Z had 170 PS (130 kW; 170 hp) Twin Spark engine and GTAZ had the 155 Q4’s turbocharged two litre engine now producing 215 PS (158 kW; 212 hp). Both models were built only a limited amount and many of the cars were sent to Japan
The 155 was very successful in touring car racing, using the Supertouring-homologated GTA and the V6 TI for the DTM. Between 1992 and 1994, the 155 managed to take the Italian Superturismo Championship, the German DTM championship (both with Nicola Larini at the wheel), the Spanish Touring Car Championship (with Adrián Campos), and the British Touring Car Championship (with Gabriele Tarquini). The 155 remained competitive until it was replaced with the 156, finishing third in the DTM (then known as the International Touring Car Championship, or ITC) in 1996 with Alessandro Nannini and winning the Spanish championship again in 1997 with Fabrizio Giovanardi. In 1993 Larini in an Alfa 155 placed second in the FIA Touring Car Challenge behind Paul Radisich in a Ford Mondeo. The 156 was to continue the high standard set by the 155, winning the European Touring Car Championship multiple times.
The Alfa Romeo 155 V6 TI was a FIA Class 1 touring car that Alfa Corse raced from 1993 to 1996 in the Deutsche Tourenwagen Meisterschaft and the subsequent International Touring Car Championship.
A high-revving 2.5 L 60° V6 engine was coupled to a four wheel drive system, producing 490 PS (360 kW; 480 hp) at 11500 rpm.
Alfa Corse entered two 155 V6 TIs for works drivers Alessandro Nannini and Nicola Larini; the 1993 season was dominated by Larini winning 11 of 22 races,.
In 1994 the rivals from Mercedes seemed to have the advantage but Alfa did manage to win a further 11 races. A more consistent performance from the Germans gave them the title.
Since the 1995 season the team got new sponsorship livery from Martini Racing.
The 1996 version had a 2.5 L 90° V6 engine based loosely on the PRV engine delivering 490 PS (360 kW; 480 hp) at 11,900 rpm, had a top speed of around 300 kilometres per hour (190 mph) and weighed 1,060 kilograms (2,340 lb).
The Alfa 155 V6 TI did a record of 38 wins (plus 3 other non championship races). The victories were obtained by seven different drivers: 17 (+1) Nicola Larini, 13 (+1) Alessandro Nannini, 2 Stefano Modena, 2 (+1) Christian Danner, 2 Michael Bartels, 1 Kris Nissen and 1 Gabriele Tarquini.